CVE-2024-21893 is a high-severity server-side request forgery (SSRF) vulnerability found in the SAML component of Ivanti's Connect Secure, Policy Secure, and Neurons for Zero Trust Access products. This vulnerability allows attackers to access certain restricted resources without authentication. With a CVSS score of 8.2, it represents a significant risk to organizations relying on these solutions.
This vulnerability affects multiple versions of Ivanti's products, specifically Connect Secure (versions 9.x and 22.x), Policy Secure (versions 9.x and 22.x), and Neurons for Zero Trust Access. The potential for exploitation is high, given the critical nature of the access it allows.
Risk to organizations includes unauthorized access to sensitive information and restricted resources, leading to potential data breaches and compliance issues. Organizations should prioritize patching immediately to protect against this vulnerability.
The vulnerability was published on January 31, 2024, and is currently being actively monitored for exploitation. Organizations using the affected Ivanti products are advised to assess their environments and implement necessary mitigation strategies.
Vulnerability Details
The official description of CVE-2024-21893 outlines a server-side request forgery vulnerability in the SAML component of Ivanti Connect Secure, Policy Secure, and Neurons for Zero Trust Access. The vulnerability allows an attacker to access certain restricted resources without authentication.
This vulnerability is classified as a high severity issue, with a CVSS score of 8.2, indicating a high potential for impact. The affected products include Ivanti Connect Secure, Ivanti Policy Secure, and Ivanti Neurons for Zero Trust Access, specifically versions 9.x and 22.x.
The vulnerability has been classified under Common Weakness Enumeration (CWE-918), which pertains to server-side request forgery vulnerabilities.
Technical Analysis
The root cause of CVE-2024-21893 lies in improper validation of user input within the SAML component. The attack vector is network-based, allowing an attacker to exploit this vulnerability remotely without requiring physical access to the device.
The attack complexity is low, meaning an attacker can easily exploit this vulnerability without extensive skills or resources. No privileges are required to exploit this vulnerability, and user interaction is not necessary.
If successfully exploited, the vulnerability has a high confidentiality impact, as attackers may gain access to sensitive data. The integrity impact is low, with no expected availability impact.
Risk & Impact Analysis
Organizations utilizing Ivanti products must recognize the real-world deployment risk associated with CVE-2024-21893. The potential for unauthorized access to sensitive resources increases the vulnerabilities' significance, especially in sectors dealing with critical data.
The blast radius for this vulnerability extends to all users of the affected Ivanti products. Organizations should prioritize addressing this vulnerability in their patch management cycles due to the high CVSS score and known exploitation in the wild.
With the exploitability status marked as critical and known exploitation confirmed, urgency for organizations to act is paramount. Immediate patching is recommended to mitigate potential risks.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | Yes |
Ransomware Use | Yes |
Affected Versions
The vulnerability impacts the following versions of Ivanti products: Connect Secure (9.x, 22.x), Policy Secure (9.x, 22.x), and Neurons for Zero Trust Access (22.x). Organizations should consider all versions prior to vendor patch as potentially vulnerable.
Mitigation & Remediation
Organizations should apply the necessary patches provided by Ivanti to remediate this vulnerability. It is critical to upgrade to the latest versions of the affected products to ensure security.
If a patch is unavailable, organizations should consider implementing workarounds as outlined by the vendor. Ensuring proper configuration and hardening of network controls can mitigate the potential impact of this vulnerability.
Monitoring for anomalous behavior and potential exploitation attempts is also recommended as part of a comprehensive security posture.
Detection Guidance
Organizations should monitor logs for indicators of unauthorized access attempts or anomalies related to the SAML component. Behavioral anomalies may signal attempts to exploit this vulnerability.
Network signatures may also assist in detecting potential exploitation attempts, as attackers may leverage this vulnerability to access sensitive resources without authentication.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2024-21893 highlights the need for organizations to maintain a proactive approach to vulnerability management. The pattern of SSRF vulnerabilities indicates a broader trend where attackers exploit misconfigurations and weaknesses in authentication mechanisms.
Security teams should learn from this incident by implementing robust access controls and regularly reviewing configurations to prevent similar vulnerabilities.
Strategic defensive takeaway: Continuous improvement of security posture and vulnerability management processes is essential in protecting against evolving threats.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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